H03H5/12 - CPC Classification Index

#1

20220029535

2022-01-27

Power control by direct drive

#2

20210167747

2021-06-03

Method and apparatus for adapting a variable impedance network

#3

20200395157

2020-12-17

Tuning systems, devices and methods

#4

20200235715

2020-07-23

Method and apparatus for adapting a variable impedance network

#5

20190207580

2019-07-04

Method and apparatus for adapting a variable impedance network

#6

20190089336

2019-03-21

Power control by direct drive

#7

20190088398

2019-03-21

Tuning systems, devices, and methods

#8

20180130608

2018-05-10

Barium-strontium-titanium (BST) capacitor configuration method

#9

20180130607

2018-05-10

Barium-strontium-titanium (BST) capacitor configuration method

#10

20180013406

2018-01-11

Wide range programmable resistor for discrete logarithmic control, and tuning circuit for variable gain active filter using same

#11

20170373661

2017-12-28

Method and apparatus for adapting a variable impedance network

#12

20170085244

2017-03-23

Method and apparatus for adapting a variable impedance network

#13

20160372266

2016-12-22

Barium strontium-titanium (BST) capacitor configuration method

#14

20160336914

2016-11-17

Inductor capacitor tank for resonator

#15

20160204763

2016-07-14

Resonant circuit and high-frequency filter

#16

20160204755

2016-07-14

Resonator device and high frequency filter

#17

20160164482

2016-06-09

Apparatus and methods for high voltage variable capacitor arrays with drift protection resistors

#18

20160163464

2016-06-09

Apparatus and methods for high voltage variable capacitor arrays with body biasing resistors

#19

20160142105

2016-05-19

Variable capacitance device and antenna apparatus

#20

20160079962

2016-03-17

Electronic device with switched-capacitor tuning and related method

#21

20160049730

2016-02-18

Variable capacitance device and antenna device

#22

20150381138

2015-12-31

LC parallel resonant element

#23

20150381135

2015-12-31

LC tank capable of reducing electromagnetic radiation by itself and manufacturing method thereof

#24

20150349750

2015-12-03

Impedance-matching network using BJT switches in variable-reactance circuits

#25

20150263702

2015-09-17

Electronic device with switched-capacitor tuning and related method

#26

20150261016

2015-09-17

Semiconductor optical modulation device

#27

20150243437

2015-08-27

BST capacitor

#28

20150207491

2015-07-23

Device for negative group delay

#29

20150015346

2015-01-15

Electronic device with switched-capacitor tuning and related method

#30

20150002236

2015-01-01

Systems and methods of stacking LC tanks for wide tuning range and high voltage swing

#31

20140327493

2014-11-06

Method and apparatus for adapting a variable impedance network

#32

20140327492

2014-11-06

Method and apparatus for adapting a variable impedance network

#33

20140285299

2014-09-25

Tuning systems, devices and methods

#34

20140070905

2014-03-13

Wide range continuously tunable capacitor bank

#35

20140035691

2014-02-06

CAPACITIVE DIVIDER STRUCTURE

#36

20130308795

2013-11-21

Interface circuit for connecting a microphone circuit to a preamplifier

#37

20130257677

2013-10-03

HYBRID VARIABLE CAPACITOR, RF APPARATUS, METHOD FOR MANUFACTURING HYBRID VARIABLE CAPACITOR AND METHOD FOR TUNING VARIABLE CAPACITOR

#38

20130193867

2013-08-01

Impedance-matching network using BJT switches in variable-reactance circuits

#39

20120299630

2012-11-29

Trimming circuit and semiconductor device

#40

20120223782

2012-09-06

COMPLEX NEGATIVE FEEDBACK FREQUENCY SELECTION OUTPUT CIRCUIT AND OSCILLATION CIRCUIT USING THE SAME

#41

20120188007

2012-07-26

Impedance-matching network using BJT switches in variable-reactance circuits

#42

20120139625

2012-06-07

Device and circuit with improved linearity

#43

20110227666

2011-09-22

Method and apparatus for adapting a variable impedance network

#44

20110163612

2011-07-07

LOAD DEVICES WITH LINEARIZATION TECHNIQUE EMPLOYED THEREIN

#45

20110105053

2011-05-05

Variable inductor, and oscillator and communication system using the same

#46

20110074221

2011-03-31

Electronic device for regulating a variable capacitance of an integrated circuit

#47

20100321137

2010-12-23

Programmable varactor and methods of operation thereof

#48

20090310275

2009-12-17

Variable capacitor array, variable capacitor array device and circuit module

#49

20090295492

2009-12-03

BIASED VARACTOR NETWORKS AND METHODS TO USE THE SAME

#50

20090174501

2009-07-09

Electronically variable inductor, associated tunable filter and methods

#51

20090108978

2009-04-30

Cross-coupled inductor pair formed in an integrated circuit

#52

20090027132

2009-01-29

Varactor device with reduced temperature dependence

#53

20090009257

2009-01-08

Varactor Trimming Arrangement

#54

20080186103

2008-08-07

Radio frequency application circuit

#55

20080150658

2008-06-26

Frequency control circuit for tuning a resonant circuit of an untethered device

#56

20080001680

2008-01-03

Integrated resonance circuit

#57

20070252666

2007-11-01

PIN diode network for multiband RF coupling

#58

20070170910

2007-07-26

Spectral resistor, spectral capacitor, order-infinity resonant tank, EM wave absorbing material, and applications thereof

#59

20070052511

2007-03-08

Cross-coupled inductor pair formed in an integrated circuit

#60

20060097811

2006-05-11

Variable inductor, and oscillator and communication system using the same

#61

20050195541

2005-09-08

LOAD AND MATCHING CIRCUIT HAVING ELECTRICALLY CONTROLLABLE FREQUENCY RANGE